Fix vertical canvas autoscroll when dragging track heights. Fixes #3240.

git-svn-id: svn://localhost/ardour2/branches/3.0@7327 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 5 insertions, 0 deletions

diff --git a/gtk2_ardour/public_editor.h b/gtk2_ardour/public_editor.h
index bb498a8c4f..52fb601f8d 100644
--- a/gtk2_ardour/public_editor.h
+++ b/gtk2_ardour/public_editor.h
@@ -79,6 +79,7 @@ class MarkerTimeAxis;
 class ImageFrameView;
 class ImageFrameTimeAxis;
 class MarkerView;
+class DragManager;
 
 /// Representation of the interface of the Editor class
 
@@ -360,6 +361,10 @@ class PublicEditor : public Gtk::Window, public PBD::StatefulDestructible {
 	virtual Gtkmm2ext::TearOff* mouse_mode_tearoff () const = 0;
 	virtual Gtkmm2ext::TearOff* tools_tearoff () const = 0;
 
+	virtual DragManager* drags () const = 0;
+	virtual void maybe_autoscroll (bool, bool) = 0;
+	virtual void stop_canvas_autoscroll () = 0;
+
 	/// Singleton instance, set up by Editor::Editor()
 
 	static PublicEditor* _instance;